Fig. 16. Corneal edema imaged with a smartphone camera.
Fig. 14. Equine fundus image with a smartphone provided cour- tesy of Tim Knott and Rob Lowe, UK.
grubby fingers away from camera lenses, it’s not as easily done with smartphones.
3. Check your resolution. Use the largest res- olution and highest image quality possible.
4. Videography may be simpler than still pho- tography in the moving horse eye. The shutter lag inherent in digital cameras is often too slow to get the image you wanted. Videos can be saved and images
easily captured from the video using soft- ware such as Windows Live Movie Makerf or any Apple computerg.
5. Equine phoneoscopy was done initially with the iPhone 4 or 4s as the distance between the camera aperture and flash was close. The iPhone 5 and other cameras may have too much space between camera and flash.
6. It is easiest to image lens, vitreous, and ret- inal regions if the pupil is dilated.
7. The camera must be held close to the cornea to get good images.
Fig. 15. Stitched image courtesy of Tim Knott and Rob Lowe, UK. AAEP PROCEEDINGS Vol. 60 2014 5
